table shows the power consumption and signaling of this automatic power saving feature:
VESA Modes Horizontal Sync Vertical Sync Video Power Indicator Power Consumption
Normal operation( with Dell Soundbar and USB active) Active Active Active Green 75 W (maximum)
Normal operation Active Active Active Green 35 W (typical)
Active-off mode Inactive Inactive Blanked Amber Less than 2 W
Switch off - - - Off Less than 1 W
NOTE: The OSD will only function in the 'normal operation' mode. Otherwise one of the following messages will
appear when the “menu” or “plus” buttons are pressed when in Active-off mode.
1. Analog Input
In Power Save Mode
Press Any Key on Keyboard or Move Mouse or 2. Digital Input
In Power Save Mode
Press Any Key on Keyboard or Move Mouse
Activate the computer and 'wake up' the monitor to gain access to the OSD.
This monitor is ENERGY STAR®-compliant as well as TCO '99 / TCO '03 power management compatible.
* Zero power consumption in OFF mode can only be achieved by disconnecting the main cable from the monitor.
ENERGY STAR® is a U.S. registered mark. As an ENERGY STAR ® Partner, DELL has determined that this product meets the ENERGY STAR ® guidelines for energy
efficiency.
Pin Assignments

15-pin D-Sub connector:

Pin Number Monitor Side of the 15-pin Side Signal Cable
1 Video-Red
2 Video-Green
3 Video-Blue
4 GND
5 self-test
6 GND-R
7 GND-G
8 GND-B
9DDC +5V
10 GND
11 GND
12 DDC data
13 H-sync
14 V-sync
15 DDC clock

24 pin digital-only DVI connector:

Note: Pin 1 is at the top right.